ZIP Code 16637

16637 is one of Pennsylvania's ZIP codes, delivering to addresses in East Freedom, Blair County.

City: East Freedom
County: Blair County
State: Pennsylvania
Prefix: 166xx

Where this code sits

16637 is part of the 166xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to East Freedom.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16637 delivers to without sharing its boundary.

ZIP codes nearest 16637

The ZIP codes whose reference points sit closest to 16637.
ZIP code	Distance	Delivers to
ZIP code 16673	2.9 mi	Roaring Spring, PA
ZIP code 16682	4.0 mi	Sproul, PA
ZIP code 16625	4.5 mi	Claysburg, PA
ZIP code 16665	4.6 mi	Newry, PA
ZIP code 16670	5.7 mi	Queen, PA
ZIP code 16635	6.8 mi	Duncansville, PA
ZIP code 16631	6.8 mi	Curryville, PA
ZIP code 16662	6.9 mi	Martinsburg, PA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 16637, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 16637. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.